13481803 has 4 divisors (see below), whose sum is σ = 13489488. Its totient is φ = 13474120.

The previous prime is 13481791. The next prime is 13481813. The reversal of 13481803 is 30818431.

13481803 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30818431 = 7 ⋅4402633.

It is a cyclic number.

It is not a de Polignac number, because 13481803 - 2⁵ = 13481771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13481813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (3372372).

Almost surely, 2^13481803 is an apocalyptic number.

13481803 is a deficient number, since it is larger than the sum of its proper divisors (7685).

13481803 is an equidigital number, since it uses as much as digits as its factorization.

13481803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 13481803 is about 3671.7574810981. The cubic root of 13481803 is about 238.0031247383.

The spelling of 13481803 in words is "thirteen million, four hundred eighty-one thousand, eight hundred three".